Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"123371 - Silene involucrata (Cham. & Schltdl.) Bocquet ssp. involucrata, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-106606. Accessed 17 Jun. 2025.